Outaishihi ni Nante Naritakunai!! Summary:

Once a j.a.panese person. When she realized she was reincarnated, she was the daughter of a Duke.Wait a minute, my fiancé is the Crown Prince?No matter how good looking he is, I definitely don’t want to marry into the polygamous royal family.While thinking about a way to break off her engagement, Lidi came upon a ridiculous conclusion.Will she be able to carry it out according to plan?